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For more information about these vulnerabilities, see the Details section of this advisory."}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades en la funcionalidad fast reload del Software Cisco IOS XE que se ejecuta en los Switches Cisco Catalyst 3850, Cisco Catalyst 9300 y Cisco Catalyst 9300L Series, podr\u00edan permitir a un atacante local autenticado ejecutar c\u00f3digo arbitrario en el sistema operativo subyacente, instalar y arrancar un imagen de software malicioso o ejecutar binarios sin firmar en un dispositivo afectado. Estas vulnerabilidades son debido a comprobaciones incorrectas llevadas a cabo por las rutinas de arranque del sistema. Para explotar estas vulnerabilidades, el atacante necesitar\u00eda acceso privilegiado a la CLI del dispositivo. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar c\u00f3digo arbitrario en el sistema operativo subyacente o ejecutar c\u00f3digo sin firmar y omitir la parte de comprobaci\u00f3n de imagen del proceso de arranque seguro. Para mayor informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Detalles de este aviso"}], "id": "CVE-2021-1376", "lastModified": "2024-11-21T05:44:12.747", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-24T21:15:12.177", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fast-Zqr6DD5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fast-Zqr6DD5"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}

{}